Usage Tips:Optimal Plant Growth: This LED grow light provides a full spect light, mimicking natural sunlight to promote healthy plant growth in indoor settings. Adjustable Brightness: Features 10 dimmable levels, allowing you to customize the light intensity according to the specific needs of your plants at different growth . Automatic Timer: Equipped with an auto on/off timer to your plants receive the right amount of light even when you're not around, making plant care effortless. Versatile Installation: Designed for flexibility, it can be mounted on the ceiling or under a cabinet, perfect for a variety of indoor plant arrangements. Energy Efficient: LED technology makes it more energy-efficient than traditional grow lights, reducing electricity costs while providing adequate light. Product timing: can be set for 3 hours, 9 hours, 12 hours, press once for 3 hours, press again for 9 hours, press the third time for 12 hours, set the hours and cycle the timer switch every day (for example, set the timing for 9 hours, turn on at 8 o'clock on the same day, turn off after 9 hours, and automatically turn on at 8 o'clock day, cycle every day without power failure, no need to set it every day) Power lumens: red and blue light: lamp beads 48LED beads 13W lumens 360ml wavelength red 625-630 blue 455-460. Product lamp : lamp diameter 9cm/3.5 inches, telescopic height 17CM-63CM Access voltage: 5v5W (can access 110-240v range voltage) Product dimming: 10-segment cycle dimming, brightness: 10 levels, (10%-100%) Product light source: three-color switchable red and blue light = 1 single red light, 2 single blue light, 3 full mixed light Number of lamp beads: 48 single- red and blue light, 24 red and 24 blue Colour:White Material:Metal Package Contents: 2 * Full Spect LED Grow Light 1 * timer controller 8 * double-sided adhesive dots Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.